// Copyright 2024 RustFS Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/// Bucket copy metric descriptor
use crate::metrics::{MetricDescriptor, MetricName, new_counter_md, new_gauge_md, subsystems};

/// Bucket level replication metric descriptor
pub const BUCKET_L: &str = "bucket";
/// Replication operation
pub const OPERATION_L: &str = "operation";
/// Replication target ARN
pub const TARGET_ARN_L: &str = "targetArn";
/// Replication range
pub const RANGE_L: &str = "range";

lazy_static::lazy_static! {
    pub static ref BUCKET_REPL_LAST_HR_FAILED_BYTES_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::LastHourFailedBytes,
            "Total number of bytes failed at least once to replicate in the last hour on a bucket",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_LAST_HR_FAILED_COUNT_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::LastHourFailedCount,
            "Total number of objects which failed replication in the last hour on a bucket",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_LAST_MIN_FAILED_BYTES_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::LastMinFailedBytes,
            "Total number of bytes failed at least once to replicate in the last full minute on a bucket",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_LAST_MIN_FAILED_COUNT_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::LastMinFailedCount,
            "Total number of objects which failed replication in the last full minute on a bucket",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_LATENCY_MS_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::LatencyMilliSec,
            "Replication latency on a bucket in milliseconds",
            &[BUCKET_L, OPERATION_L, RANGE_L, TARGET_ARN_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_PROXIED_DELETE_TAGGING_REQUESTS_TOTAL_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedDeleteTaggingRequestsTotal,
            "Number of DELETE tagging requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_PROXIED_GET_REQUESTS_FAILURES_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedGetRequestsFailures,
            "Number of failures in GET requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_PROXIED_GET_REQUESTS_TOTAL_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedGetRequestsTotal,
            "Number of GET requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    // TODO - add a metric for the number of PUT requests proxied to replication target
    pub static ref BUCKET_REPL_PROXIED_GET_TAGGING_REQUESTS_FAILURES_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedGetTaggingRequestFailures,
            "Number of failures in GET tagging requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_PROXIED_GET_TAGGING_REQUESTS_TOTAL_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedGetTaggingRequestsTotal,
            "Number of GET tagging requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_PROXIED_HEAD_REQUESTS_FAILURES_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedHeadRequestsFailures,
            "Number of failures in HEAD requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_PROXIED_HEAD_REQUESTS_TOTAL_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedHeadRequestsTotal,
            "Number of HEAD requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    // TODO - add a metric for the number of PUT requests proxied to replication target
    pub static ref BUCKET_REPL_PROXIED_PUT_TAGGING_REQUESTS_FAILURES_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedPutTaggingRequestFailures,
            "Number of failures in PUT tagging requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_PROXIED_PUT_TAGGING_REQUESTS_TOTAL_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedPutTaggingRequestsTotal,
            "Number of PUT tagging requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_SENT_BYTES_MD: MetricDescriptor =
        new_counter_md(
            MetricName::SentBytes,
            "Total number of bytes replicated to the target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_SENT_COUNT_MD: MetricDescriptor =
        new_counter_md(
            MetricName::SentCount,
            "Total number of objects replicated to the target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_TOTAL_FAILED_BYTES_MD: MetricDescriptor =
        new_counter_md(
            MetricName::TotalFailedBytes,
            "Total number of bytes failed at least once to replicate since server start",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    pub static ref BUCKET_REPL_TOTAL_FAILED_COUNT_MD: MetricDescriptor =
        new_counter_md(
            MetricName::TotalFailedCount,
            "Total number of objects which failed replication since server start",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );

    // TODO - add a metric for the number of DELETE requests proxied to replication target
    pub static ref BUCKET_REPL_PROXIED_DELETE_TAGGING_REQUESTS_FAILURES_MD: MetricDescriptor =
        new_counter_md(
            MetricName::ProxiedDeleteTaggingRequestFailures,
            "Number of failures in DELETE tagging requests proxied to replication target",
            &[BUCKET_L],
            subsystems::BUCKET_REPLICATION
        );
}
